extract eventdb from watchdb and setup a connection pool for redis
preliminary work on matching DSNs (required for side-by-side servers)
add more detail to request tracing (with support for adding more)
add --verbose option to cut down on noise
add automatic tag generation (fixes #4)
simplified the task dispatcher in goose/worker
removed a bunch of worker interfaces that were just annoying to deal with
add DELETE /watches endpoint to flush the watchdb
Merge pull request #5 from politician/feature/default-tags

A bigger revision than I'd planned.